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Mass Transfer

Mass Transfer
The film penetration model of mass transfer was enunciated by

Stefan
Toor and Marchello
Gilliland
Fick

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Mass Transfer
In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor.

Increases with increase in
Is one at unity value of
Neither A nor B
Both A and B

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Mass Transfer
Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number.

Sherwood
Stanton
Schmidt
Peclet

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Mass Transfer
If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are

Both A & B
Straight
Neither A nor B
Parallel

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Mass Transfer
If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm.

2.5 to 3
5
1.2 to 1.5
3 to 4

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Mass Transfer
Smoke is an example of

Solid dispersed in gas
Liquid dispersed in gas
Solid dispersed in liquid
Gas dispersed in liquid

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